EP4029786A1 - Aéronef avec des réservoirs de stockage d'hydrogène - Google Patents

Aéronef avec des réservoirs de stockage d'hydrogène Download PDF

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Publication number
EP4029786A1
EP4029786A1 EP21215797.8A EP21215797A EP4029786A1 EP 4029786 A1 EP4029786 A1 EP 4029786A1 EP 21215797 A EP21215797 A EP 21215797A EP 4029786 A1 EP4029786 A1 EP 4029786A1
Authority
EP
European Patent Office
Prior art keywords
aircraft
hydrogen storage
fuselage
storage tanks
hydrogen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21215797.8A
Other languages
German (de)
English (en)
Inventor
Eric Dean
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of EP4029786A1 publication Critical patent/EP4029786A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D37/00—Arrangements in connection with fuel supply for power plant
    • B64D37/30—Fuel systems for specific fuels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D37/00—Arrangements in connection with fuel supply for power plant
    • B64D37/02—Tanks
    • B64D37/04—Arrangement thereof in or on aircraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C7/00—Structures or fairings not otherwise provided for

Definitions

  • the invention relates to an aircraft having hydrogen storage tanks, especially tanks for storage of gaseous hydrogen to be used as a fuel for aircraft propulsion, for example by use in a fuel cell system and/or a hydrogen-burning gas turbine engine.
  • an aircraft comprises a fuselage and first, second and third elongate hydrogen storage tanks mounted to the exterior of the fuselage and extending parallel thereto, the aircraft further comprising an aerodynamic fairing, the aerodynamic fairing and the fuselage enclosing the hydrogen storage tanks.
  • the first, second and third hydrogen storage tanks may be disposed vertically above a horizontal plane containing the wing tips of the aircraft, with the aircraft on the ground or in level flight.
  • the first, second and third hydrogen storage tanks may be cylindrical, the first and second hydrogen tanks having a first diameter and being mounted in contact with the exterior of the fuselage adjacent first and second wings of the aircraft respectively, the aircraft further comprising a fourth cylindrical hydrogen storage tank, the third and fourth cylindrical hydrogen storage tanks having a second diameter less than the first diameter and being mounted to the exterior of the fuselage adjacent the first and second hydrogen storage tanks respectively.
  • the first hydrogen storage tank may be mounted to the exterior of the fuselage at top dead-centre thereof.
  • the second and third hydrogen storage tanks may each be mounted in contact with the first hydrogen storage tank on a respective lateral side thereof.
  • the first, second and third hydrogen storage tanks may be cylindrical, the second and third hydrogen storage tanks having a common diameter less than the diameter of the first hydrogen storage tank.
  • the aircraft may further comprise fourth and fifth cylindrical elongate hydrogen storage tanks mounted to the fuselage in contact with the second and third hydrogen storage tanks respectively, the fourth and fifth hydrogen storage tanks having a common diameter less than that of the second and third cylindrical hydrogen storage tanks.
  • the first, second and third hydrogen storage tanks may be comprised in a set of like hydrogen storage tanks each mounted to the exterior of the fuselage, the set extending completely azimuthally and contiguously around the fuselage.
  • the hydrogen storage tanks of the set may each be cylindrical and have a common diameter.
  • each hydrogen storage tank may have cylindrical arcuate inner and outer portions extending between first and second azimuthal positions with respect to the fuselage, and first and second planar portions connecting the cylindrical arcuate portions at the first and second azimuthal positions respectively, with the inner arcuate portion being in contact with the exterior of the fuselage; the tanks are optionally integrated in a single multiple-tank structure.
  • the aircraft may comprise at least one of a hydrogen-fuelled fuel-cell system and a hydrogen-burning gas turbine engine, and a conveying system arranged to convey hydrogen from the hydrogen storage tanks to the hydrogen fuel-cell and/or the hydrogen-burning gas turbine engine.
  • a first example aircraft 100 of the invention comprises a fuselage 118, wings 116A, 116B, first, second and third elongate generally cylindrical hydrogen storage tanks 112A, 112B, 112C mounted on and extending generally parallel to the fuselage 118 and an aerodynamic fairing 114 which, together with the fuselage 118, encloses the hydrogen storage tanks 112A, 112B, 112C and provides a continuous external air-washed surface of the aircraft 100.
  • a vertical plane 102 longitudinally bisects both the fuselage 118 and the first hydrogen storage tank 112A, i.e.
  • the first hydrogen storage tank 112A is mounted on the fuselage 118 at top dead-centre thereof.
  • a horizontal plane 101 includes the tips of the wings 116A, 116B.
  • the first, second and third tanks 112A, 112B, 112C are each mounted on the fuselage 118 vertically above the plane 101.
  • the fairing 114 extends fore and aft of the hydrogen storage tanks 112A, 112B, 112C as shown in Figure 2 .
  • the interior 110 of the fuselage 118 provides a space for passengers and/or cargo in use of the aircraft 100.
  • the second 112B and third 112C tanks have a common diameter smaller than that of the first tank 112A and are each mounted on the exterior of the fuselage 118 on a respective lateral side of the first tank 112A.
  • the second 112B and third 112C tanks are in contact with the first tank 112A, but in other examples may be separated in azimuth from the first tank 112A with respect to the fuselage 118.
  • FIG. 3 shows a second example aircraft 200 of the invention which is similar to the aircraft 100 of Figures 1 and 2 . Parts of the aircraft 200 of Figure 3 are labelled with reference numerals differing by 100 from those labelling corresponding parts in Figures 1 and 2 .
  • the aircraft 200 comprises a first elongate generally cylindrical hydrogen storage tank 212A mounted on and extending generally parallel to fuselage 218 at top dead-centre thereof and first 212B, 212C, second 212D, 212E, third 212F, 212G and fourth 212H, 2121 pairs of elongate generally cylindrical hydrogen storage tanks, the pairs having respective diameters which decrease moving azimuthally away from the first tank 212A with respect to the fuselage 218, and which are each smaller than the diameter of the first tank 212A.
  • the first, second, third and fourth pairs of tanks 312B, 312C, 312D, 312E, 312F, 312G, 312H, 3121 also extend generally parallel to the fuselage 218.
  • the hydrogen storage tanks 212A-I are mounted to the fuselage 218 vertically above a horizontal plane 201 containing the tips of wings 216A, 216B. Aerodynamic fairing 214 and fuselage 218 enclose the hydrogen storage tanks 212A-I and provide a continuous external air-washed surface of the aircraft 200.
  • FIGS 4 and 5 show a third example aircraft 300 of the invention having a fuselage 318, wings 316A, 316B and a plurality of like elongate cylindrical hydrogen storage tanks such as 312A, 312B, 312C each mounted on and extending generally parallel to the fuselage 318 within a fairing 314 such that the tanks are contiguous in azimuth with respect to the fuselage 318 and completely surround the fuselage 318.
  • Tank 312A is mounted on the fuselage 318 at top dead-centre such that, with the aircraft 300 on the ground or in level flight, a vertical plane 302 which longitudinally bisects the fuselage 318 also longitudinally bisects the tank 312A.
  • Horizontal plane 301 contains the tips of wings 316A, 316B.
  • a hydrogen storage tank 312Z is mounted to the fuselage 318 at bottom dead-centre thereof.
  • the interior 310 of the fuselage 318 provides space for passengers and/or cargo.
  • Figure 6 shows a transverse cross-section of a fourth example aircraft 400 of the invention, the aircraft 400 comprising fuselage 418, wings 416A, 416B and plurality elongate hydrogen storage tanks such as 412A mounted on the exterior of the fuselage 418, each tank being in contact with two other tanks which are adjacent in azimuth with respect to the fuselage 418, the tanks extending completely azimuthally around the fuselage 418.
  • Tanks 412B, 412C are adjacent in azimuth to tank 412A.
  • vertical plane 402 longitudinally bisects the fuselage 418.
  • Tank 412A comprises inner and outer arcuate cylindrical portions 413A, 413B which extend between azimuthal positions 415A, 415B, the inner portion 413A being in contact with the fuselage 418, and planar portions 417A, 417B at the azimuthal positions 415A, 415B respectively, each of which connects the inner and outer arcuate portions 413A, 413B at a respective azimuthal position 415A, 415B.
  • the hydrogen storage tanks are enclosed by a fairing 414 and the fuselage 418.
  • each tank is spaced apart in azimuth from two neighbouring tanks.
  • contiguous individual hydrogen storage tanks are integrated in a single, multi-tank structure.
  • Figure 7 shows a transverse cross-section of a fifth example aircraft 500 of the invention, the aircraft 500 comprising a fuselage 518, wings 516A, 516B, a first pair of like elongate cylindrical hydrogen storage tanks 512A, 512B having a first diameter, a second pair of like elongate cylindrical hydrogen storage tanks 512C, 512D having a second diameter smaller than the first diameter and an aerodynamic fairing 514.
  • Each of the tanks 512A, 512B is mounted to the exterior of the fuselage 518 and is in contact with a respective wing 516A, 516B of the aircraft 500.
  • Tanks 512C, 512D are each mounted in contact with the fuselage 518 of the aircraft 500 and in contact with a respective one of the tanks 512A, 512B.
  • the fairing 514 encloses the hydrogen storage tanks 512A, 512B, 512C, 512D and forms a continuous air-washed surface together with a lower portion of the fuselage 518, except at the position of the wings 516A, 516B.
  • the fairing 518 has portions fore and aft of the hydrogen storage tanks 512A-D as in the case of the fairing 114 of the aircraft 100 of Figures 1 and 2 . With the aircraft 500 on the ground or in level flight, vertical planes 502 bisects the fuselage 518; horizontal plane 501 contains the tips of the wings 516A, 516B.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP21215797.8A 2021-01-19 2021-12-20 Aéronef avec des réservoirs de stockage d'hydrogène Pending EP4029786A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB2100665.5A GB202100665D0 (en) 2021-01-19 2021-01-19 Aircraft with hydrogen storage tanks

Publications (1)

Publication Number Publication Date
EP4029786A1 true EP4029786A1 (fr) 2022-07-20

Family

ID=74678966

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21215797.8A Pending EP4029786A1 (fr) 2021-01-19 2021-12-20 Aéronef avec des réservoirs de stockage d'hydrogène

Country Status (3)

Country Link
US (1) US11807383B2 (fr)
EP (1) EP4029786A1 (fr)
GB (1) GB202100665D0 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
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CN115071951A (zh) * 2022-07-25 2022-09-20 中国商用飞机有限责任公司北京民用飞机技术研究中心 一种三机体融合的飞机

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JP2022170500A (ja) * 2021-04-28 2022-11-10 トヨタ自動車株式会社 飛行体
JPWO2023074870A1 (fr) 2021-10-29 2023-05-04
EP4400426A1 (fr) 2021-10-29 2024-07-17 Kawasaki Jukogyo Kabushiki Kaisha Système d'alimentation en combustible pour aéronef à hydrogène et procédé de réglage de pression interne de réservoir
DE102023104760A1 (de) 2023-02-27 2024-08-29 Rolls-Royce Deutschland Ltd & Co Kg Flugkörper mit mindestens einer elektronischen Komponente
GB202304849D0 (en) * 2023-03-31 2023-05-17 Rolls Royce Plc Cryogenic fueled aircraft

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WO2021148335A1 (fr) * 2020-01-22 2021-07-29 Airbus Operations Limited Fuselage d'aéronef

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Publication number Priority date Publication date Assignee Title
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GB202100665D0 (en) 2021-03-03
US20220227497A1 (en) 2022-07-21
US11807383B2 (en) 2023-11-07

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